There's just a few days left to snag some Marketplace swag at a discount when you... Donate Today! 🎁

Could kelp help mitigate ocean acidification?

Feb 22, 2018
Seawater's changing chemistry is making it harder for oysters and other shellfish to grow.
Stephen Schreck, left, and Ryan Cox of Puget Sound Restoration Fund collect kelp samples.
Greg Davis